" /> Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue of stomach - CISMeF





ICD-11 code : 2A85.1;

Preferred Label : Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue of stomach;

ICD-11 definition : A low grade, indolent B-cell lymphoma, usually associated with Helicobacter pylori infection. Morphologically it is characterized by a dense mucosal atypical lymphocytic (centrocyte-like cell) infiltrate with often prominent lymphoepithelial lesions and plasmacytic differentiation. Some of gastric MALT lymphomas carry the t(11;18)(q21;q21). Such cases are resistant to Helicobacter pylori therapy.;

ICD-11 synonym : MALT lymphoma; MALT - [mucosa associated lymphoid tissue] lymphoma;

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A low grade, indolent B-cell lymphoma, usually associated with Helicobacter pylori infection. Morphologically it is characterized by a dense mucosal atypical lymphocytic (centrocyte-like cell) infiltrate with often prominent lymphoepithelial lesions and plasmacytic differentiation. Some of gastric MALT lymphomas carry the t(11;18)(q21;q21). Such cases are resistant to Helicobacter pylori therapy.

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02/05/2025


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